SHORT ANSWER. Write the word or phrase that best completes ... · SHORT ANSWER. Write the word or phrase that best completes each statement or answers the question. Provide an appropriate

SHORT ANSWER. Write the word or phrase that best completes each statement or answers the question.

Provide an appropriate response. Round relative frequencies to thousandths.1) Scott Tarnowski owns a pet grooming shop. His prices for grooming dogs are based on the

size of the dog. His records from last year are summarized below. Construct a frequencydistribution and a relative frequency distribution. Show the percentage represented byeach relative frequency.

Class FrequencyLarge 345

Medium 830Small 645

1)

2) The results of a survey about a recent judicial appointment are given in the table below.Construct a relative frequency distribution.

Response FrequencyStrongly Favor 35Favor 13Neutral 7Oppose 25Strongly Oppose 120

2)

3) The preschool children at Elmwood Elementary School were asked to name their favoritecolor. The results are listed below. Construct a frequency distribution and a relativefrequency distribution.

purple purple blue yellow red red red purple red blue red blue yellow yellow yellow blue red yellow red green

3)

MULTIPLE CHOICE. Choose the one alternative that best completes the statement or answers the question.

4) True or False: The sum of all the relative frequencies of a distribution will always add up to 1.A) True B) False

4)

5) True or False: Relative frequency is the proportion (or percent) of observations within a category

and is found using the formula: relative frequency = sum of all frequenciesfrequency

.

A) False B) True

5)

1

From https://testbankgo.eu/p/Test-Bank-for-Interactive-Statistics-Informed-Decisions-Using-Data-1st-Edition-by-Sullivan

The bar graph shows the number of tickets sold each week by the garden club for their annual flower show.

6) During which week was the most number of tickets sold?A) week 2 B) week 4 C) week 5 D) week 1

6)

7) During which week was the fewest number of tickets sold?A) week 6 B) week 5 C) week 2 D) week 4

7)

8) Approximately how many tickets were sold during week 5?A) 40 tickets B) 46 tickets C) 11 tickets D) 19 tickets

8)

Provide an appropriate response.9) The payroll amounts for 26 major-league baseball teams are shown below. Aprroximately what

percentage of the payrolls were in the $30-$40 million range? Round to the nearest whole percent.

A) 19% B) 42% C) 8% D) 31%

9)

2


https://testbankgo.eu/p/Test-Bank-for-Interactive-Statistics-Informed-Decisions-Using-Data-1st-Edition-by-Sullivan

10) Retailers are always interested in determining why a customer selected their store to make apurchase. A sporting goods retailer conducted a customer survey to determine why its customersshopped at the store. The results are shown below. What percentage of the customers respondedthat the merchandise was the reason they shopped at the store? Round to the nearest whole percent

A) 30% B) 50% C) 43% D) 29%

10)

11) The bar graph below shows the political party affiliation of 1000 registered U.S. voters. Whatpercentage of the 1000 registered U.S. voters belonged to one of the traditional two parties(Democratic and Republican)?

A) 40% B) 25% C) 35% D) 75%

11)

3



12) The Excel frequency bar graph below describes the employment status of a random sample of U.S.adults. What is the percentage of those having no job?

A) 40% B) 15%C) cannot determine D) 20%

12)

The following double-bar graph illustrates the revenue for a company for the four quarters of the year for two differentyears. Use the graph to answer the question.

13) In what quarter was the revenue the greatest for Year 1?A) fourth quarter B) third quarter C) second quarter D) first quarter

13)

14) In what quarter was the revenue the least for Year 1?A) fourth quarter B) first quarter C) third quarter D) second quarter

14)

15) What was the revenue for the third quarter of Year 2?A) $7 million B) $10 million C) $50 million D) $35 million

15)

4




Provide an appropriate response.16) The grade point averages for 40 evening students are listed below. Construct a frequency

bar graph and a relative frequency bar graph.

Grade Point Average Frequency0.5-0.9 41.0-1.4 21.5-1.9 72.0-2.4 92.5-2.9 23.0-3.4 103.5-3.9 24.0-4.4 4

16)

17) The local police, using radar, checked the speeds (in mph) of 30 motorists in a constructionarea. The results are listed below. Construct a frequency bar graph and a relative frequencybar graph.

Speed Frequency33-35 336-38 639-41 642-44 645-47 348-50 6

17)

18) Listed below are the ACT scores of 40 randomly selected students at a major university.

18 22 13 15 24 24 20 19 19 1216 25 14 19 21 23 25 18 18 1326 26 25 25 19 17 18 15 13 2119 19 14 24 20 21 23 22 19 17

a) Construct a relative frequency bar graph of the data, using eight classes.b) If the university wants to accept the top 90% of the applicants, what should theminimum score be?c) If the university sets the minimum score at 17, what percent of the applicants will beaccepted?

18)

5




19) Given the bar graph shown below, the Pareto chart that would best represent the data should havethe bars in the following order.

A) C A D E F B B) B F C E A D C) D A E C F B D) B F E D A C

19)

The pie chart shows the percentage of votes received by each candidate in the student council presidential election. Usethe pie chart to answer the question.

20)Student Council President

Jim22%

Ben35% Lili

17%Ted26%

600 total votes

Who got the most votes?A) Ben B) Ted C) Lili D) Jim

20)

6




Ben25%

Gina32% Ming

16%Lili27%

200 total votes

Who got the fewest votes?A) Ben B) Lili C) Ming D) Gina

21)


Gina20%

Ming34% Ben

14%Matt32%

300 total votes

What percent of the votes did Ben and Gina receive together?A) 20% B) 14% C) 34% D) 66%

22)


Construct a pie chart for the data. Label each category with its percentage.23) A study was conducted to determine how people get jobs. Four hundred subjects were

randomly selected and the results are listed below. Round percents to whole numbers.

Job Sources ofSurvey Respondents Frequency

Newspaper want ads 72Online services 124Executive search firms 69Mailings 32Networking 103

23)

7



24) Scott Tarnowski owns a pet grooming shop. His prices for grooming dogs are based on thesize of the dog. His records from last year are summarized below. Round percents towhole numbers.

Class FrequencyLarge 345

Medium 830Small 645

24)


Provide an appropriate response.25) A two-pound bag of assorted candy contained 100 caramels, 83 mint patties, 93 chocolate squares,

80 nut clusters, and 79 peanut butter taffy pieces. To create a pie chart of this data, the angle forthe slice representing each candy type must be computed. What is the degree measure of the slicerepresenting the mint patties rounded to the nearest degree?

A) 5° B) 52° C) 19° D) 69°

25)


Construct a frequency distribution for the data.26) A random sample of 30 high school students is selected. Each student is asked how much

time he or she spent on the Internet during the previous week. The following times (inhours) are obtained:

6 14 8 11 8 6 8 7 5 119 7 7 6 9 8 5 5 10 75 7 14 9 6 10 6 9 8 7

Construct a frequency distribution for the data.

26)

27) A sample of 25 service project scores is taken and is recorded below. Construct a frequencydistribution for this data.

97 96 96 95 9699 97 97 100 9995 98 95 96 10095 98 96 96 10095 97 99 97 98

27)

Construct the specified histogram.28) A random sample of 30 high school students is selected. Each student is asked how much

time he or she spent on the Internet during the previous week. The following times (inhours) are recorded:

6 14 8 11 8 6 8 7 5 119 7 7 6 9 8 5 5 10 75 7 14 9 6 10 6 9 8 7

Construct a frequency histogram for this data.

28)

8



29) A sample of 25 community service projects is obtained and the scores are recorded. Theresults are shown below. Construct a frequency histogram for this data.

97 96 96 95 9699 97 97 100 9995 98 95 96 10095 98 96 96 10095 97 99 97 98

29)


Provide an appropriate response.30) The class width is the difference between

A) Two successive lower class limitsB) The largest frequency and the smallest frequencyC) The upper class limit and the lower class limit of a classD) The high and the low data values

30)

31) Determine the number of classes in the frequency table below.

Class Frequency17-18 719-20 221-22 623-24 425-26 1

A) 6 B) 5 C) 20 D) 2

31)

32) Find the class width for the frequency table below.

Class Frequency8-9 310-11 112-13 314-15 616-17 2

A) 1.5 B) 2.5 C) 1 D) 2

32)

33) Use the following frequency distribution to determine the class limits of the third class.

Class Frequency5-11 712-18 1119-25 826-32 533-39 940-46 6

A) lower limit: 18.5; upper limit: 25.5 B) lower limit: 19; upper limit: 25C) lower limit: 18; upper limit: 26 D) lower limit: 19; upper limit: 26

33)

9



34) A researcher records the number of employees of each of the IT companies in the town ofWestmoore. The results are summarized in the table.

Number of Employees Number of IT Companies 0 - 249 32250 - 499 24500 - 749 5750 - 999 7

1000 - 1249 10

Find the class width.A) 5 B) 1249 C) 250 D) 249.5

34)

35) A researcher records the number of employees of each of the IT companies in the town ofWestmoore. The results are summarized in the table.

Number of Employees Number of IT Companies 0 - 799 35

800 - 1599 201600 - 2399 92400 - 3199 83200 - 3999 5

Find the class limits of the third class.A) lower limit: 1599.5; upper limit: 2399.5 B) lower limit: 1600; upper limit: 2400C) lower limit: 1599; upper limit: 2400 D) lower limit: 1600; upper limit: 2399

35)

36) The weights (in pounds) of babies born at St Mary's hospital last month are summarized in thetable. Weight (lb) Number of Babies

5.0 - 6 76.1 - 7.1 207.2 - 8.2 198.3 - 9.3 99.4 - 10.4 5

Find the class width.A) 1.1 lb B) 1.05 lb C) 1.15 lb D) 1 lb

36)

37) The weights (in pounds) of babies born at St Mary's hospital last month are summarized in thetable. Weight (lb) Number of Babies

5.0 - 6 56.1 - 7.1 197.2 - 8.2 198.3 - 9.3 99.4 - 10.4 5

Find the class limits for the second class.A) lower limit: 6.1; upper limit: 7.1 B) lower limit: 6.1; upper limit: 7.2C) lower limit: 6; upper limit: 7.2 D) lower limit: 6.05; upper limit:7.15

37)

10



38) The table below summarizes the weights of the almonds (in grams) in a one-pound bag. What isthe class width?

Weight (g) Frequency0.7585-0.8184 10.8185-0.8784 10.8785-0.9384 10.9385-0.9984 30.9985-1.0584 1571.0585-1.1184 1711.1185-1.1784 8

A) 0.4 B) 0.06 C) 0.408 D) 0.059

38)


Construct the requested frequency distribution.39) The June precipitation amounts (in inches) for 40 cites are listed below. Construct a

frequency distribution and a relative frequency distribution using eight classes.

2.0 3.2 1.8 2.9 0.9 4.0 3.3 2.9 3.6 0.83.1 2.4 2.4 2.3 1.6 1.6 4.0 3.1 3.2 1.82.2 2.2 1.7 0.5 3.6 3.4 1.9 2.0 3.0 1.13.0 4.0 4.0 2.1 1.9 1.1 0.5 3.2 3.0 2.2

39)

40) The commute times (in minutes) of 30 executives are listed below. Construct a frequencydistribution and a relative frequency distribution using five classes. Round relativefrequency values to three decimal places.

70 72 71 70 69 73 69 68 70 7167 71 70 74 69 68 71 71 71 7269 71 68 67 73 74 70 71 69 68

40)

41) The March utility bills (in dollars) of 30 homeowners are listed below. Construct afrequency distribution and a relative frequency distribution using six classes.

44 38 41 50 36 36 43 42 49 4835 40 37 41 43 50 45 45 39 3850 41 47 36 35 40 42 43 48 33

41)

Provide an appropriate response.42) A sample of 15 Boy Scouts was selected and their weights (in pounds) were recorded as

follows:97 120 137 124 117

108 134 126 123 106130 110 100 120 140

a. Using a class width of 10, give the upper and lower limits for five classes, starting with alower limit of 95 for the first class.b. Construct a frequency distribution for the data

42)

11



Construct the specified histogram.43) For the data below, construct a frequency distribution and a relative frequency

distribution.

Height (in inches) Frequency50 - 52 553 - 55 856 - 58 1259 - 61 1362 - 64 11

43)

44) For the data below, construct a frequency histogram and a relative frequency histogram.

Weight (in pounds) Frequency135 - 139 6140 - 144 4145 - 149 11150 - 154 15155 - 159 8

44)

45) The 30 students in Mrs Harrison's literature class were asked how many cousins they had.The results are shown below. Create a frequency histogram for the data using a classwidth of 2.

10 1 3 5 4 7 5 1 0 9 11 1 5 4 1 7 7 11 0 6 6 1 5 710 1 1 5 6 0

45)

46) The 30 students in Mrs Harrison's literature class were asked how many cousins they had.The results are shown below. Construct a relative-frequency histogram using a classwidth of 2.

10 1 3 5 4 7 5 1 0 9 11 1 5 4 1 7 7 11 0 6 6 1 5 710 1 1 5 6 0

46)

47) A sample of 15 Girl Scouts was selected and their weights (in pounds) were recorded. Theresults are listed below. Construct a frequency histogram for the data using a class widthof 10 and using 95 as the lower limit of the first class.

97 120 137 124 117108 134 126 123 106130 110 100 120 140

47)

12




Provide an appropriate response.48) What is the difference between a bar chart and a histogram?

A) The bars on a bar chart do not touch while the bars of a histogram do touch.B) The bars in a bar chart may be of various widths while the bars of a histogram are all the

same width.C) There is no difference between these two graphical displays.D) The bars in a bar chart are all the same width while the bars of a histogram may be of

various widths.

48)

49) For the stem-and-leaf plot below, what are the maximum and minimum entries?

1 3 71 6 6 6 7 8 92 0 1 1 2 3 4 4 5 6 62 7 7 7 8 8 9 9 93 0 1 1 2 3 4 4 5 53 6 6 6 7 8 8 9 94 0 5

A) max: 47; min: 17 B) max: 45; min: 13C) max: 38; min: 7 D) max: 40; min: 13

49)


Determine the original set of data.50)

Stem Leaves7 68 89 0 9

10 411 1 812 6 913 6 7 914 2 3 8 915 7 9

Legend: 5 6 represents 56

50)

13



51)Stem Leaves

5 16 97 0 18 39 1 9

10 6 911 6 7 912 2 3 8 913 6 9

Legend: 5 1 represents 5.1

51)

Construct a stem-and-leaf plot for the data.52) The number of home runs that Mark McGwire hit in the first 13 years of his major league

baseball career are listed below. (Source: Major League Handbook) Construct astem-and-leaf plot for this data.

3 49 32 33 39 22 42 9 9 39 52 58 70

52)

53) The numbers of runs batted in by Mark McLemore in the first 13 years of his major leaguebaseball career are listed below. (Source: Major League Handbook) Construct astem-and-leaf plot for this data.

0 102 56 25 9 9 56 165 88 122 150 91 114

53)

54) The heights (in inches) of 30 mechanics are listed below. Construct a stem-and-leaf plotfor the data.

70 72 71 70 69 73 69 68 70 7167 71 70 74 69 68 71 71 71 7269 71 68 67 73 74 70 71 69 68

54)

55) The March utility bills (in dollars) of 30 homeowners are listed below. Construct astem-and-leaf plot for the data.

44 38 41 50 36 36 43 42 49 4835 40 37 41 43 50 45 45 39 3850 41 47 36 35 40 42 43 48 33

55)

56) The scores for an economics test are listed below. Create a stem-and-leaf plot for thedata.

87 76 92 77 90 94 88 85 66 89 79 98 52 95 83 88 82 54 14 69

56)

Construct a dot plot for the data.57) The local police, using radar, checked the speeds (in mph) of 30 motorists at a busy

intersection. The results are listed below. Construct a dot plot for the data.44 38 41 50 36 36 43 42 49 4835 40 37 41 43 50 45 45 39 3850 41 47 36 35 40 42 43 48 33

57)

14



58) The heights (in inches) of 30 mechanics are listed below. Construct a dot plot for the data.70 72 71 70 69 73 69 68 70 7167 71 70 74 69 68 71 71 71 7269 71 68 67 73 74 70 71 69 68

58)


Construct a frequency distribution for the data using five classes. Describe the shape of the distribution.59) The data set: Pick Three Lottery Outcomes for 10 Consecutive Weeks

3 6 7 6 0 6 1 7 8 41 5 7 5 9 1 5 3 9 92 2 3 0 8 8 4 0 2 4

A) uniform B) skewed to the leftC) bell shaped D) skewed to the right

59)

60) The data set: ages of dishwashers (in years) in 20 randomly selected households12 6 4 9 11 1 7 8 9 8

9 13 5 15 7 6 8 8 2 1A) skewed to the left B) bell shapedC) skewed to the right D) uniform

60)

61) The data set: weekly grocery bills (in dollars) for 20 randomly selected households135 120 115 132 136 124 119 145 98 110125 120 115 130 140 105 116 121 125 108

A) skewed to the right B) skewed to the leftC) bell shaped D) uniform

61)

Describe the shape of the distribution.62)

A) skewed to the left B) bell shapedC) uniform D) skewed to the right

62)

63)

A) bell shaped B) skewed to the rightC) uniform D) skewed to the left

63)

15



Use the histograms shown to answer the question.64)

Is either histogram symmetric?A) Both are symmetric.B) Neither is symmetric.C) The second is symmetric, but the first is not symmetric.D) The first is symmetric, but the second is not symmetric.

64)


Describe the shape of the distribution.65) A sample of 15 Little League players was selected and their weights (in pounds) were

recorded as follows:97 120 137 124 117

108 134 126 123 106130 110 100 120 140

65)

Construct a frequency polygon for the data.66)

Height (in inches) Frequency50 - 52 553 - 55 856 - 58 1259 - 61 1362 - 64 11

66)

67)Weight (in pounds) Frequency

135 - 139 6140 - 144 4145 - 149 11150 - 154 15155 - 159 8

67)

16



68) The grade point averages for 40 evening students are listed below. Construct a frequencypolygon using eight classes.

2.0 3.2 1.8 2.9 0.9 4.0 3.3 2.9 3.6 0.83.1 2.4 2.4 2.3 1.6 1.6 4.0 3.1 3.2 1.82.2 2.2 1.7 0.5 3.6 3.4 1.9 2.0 3.0 1.13.0 4.0 4.0 2.1 1.9 1.1 0.5 3.2 3.0 2.2

68)

69) The local police, using radar, checked the speeds (in mph) of 30 motorists in a constructionarea. The results are listed below. Construct a frequency polygon using six classes and aclass width of 3.

44 38 41 50 36 36 43 42 49 4835 40 37 41 43 50 45 45 39 3850 41 47 36 35 40 42 43 48 33

69)


Determine whether the statement is true or false.70) A frequency polygon always begins and ends with a frequency of zero.

A) True B) False70)

71) The class midpoint can be determined by adding to the lower class limit one-half of the classwidth.

A) True B) False

71)


Construct the requested frequency distribution.72) The April precipitation amounts (in inches) for 40 cities are listed below. Construct a

frequency distribution, a relative frequency distribution, a cumulative frequencydistribution, and a relative cumulative frequency distribution using eight classes.

2.0 3.2 1.8 2.9 0.9 4.0 3.3 2.9 3.6 0.83.1 2.4 2.4 2.3 1.6 1.6 4.0 3.1 3.2 1.82.2 2.2 1.7 0.5 3.6 3.4 1.9 2.0 3.0 1.13.0 4.0 4.0 2.1 1.9 1.1 0.5 3.2 3.0 2.2

72)

73) The commute time (in minutes) of 30 executives are listed below. Construct a frequencydistribution, a relative frequency distribution, a cumulative frequency distribution, and arelative cumulative frequency distribution using five classes.

70 72 71 70 69 73 69 68 70 7167 71 70 74 69 68 71 71 71 7269 71 68 67 73 74 70 71 69 68

73)

17



74) The local police, using radar, checked the speeds (in mph) of 30 motorists in a constructionarea. The results are listed below. Construct a frequency distribution, a relative frequencydistribution, a cumulative frequency distribution, and a relative cumulative frequencydistribution using six classes.

44 38 41 50 36 36 43 42 49 4835 40 37 41 43 50 45 45 39 3850 41 47 36 35 40 42 43 48 33

74)

Construct the requested ogive.75) The grade point averages for 40 evening students are listed below. Construct a frequency

ogive usingeight classes.

2.0 3.2 1.8 2.9 0.9 4.0 3.3 2.9 3.6 0.83.1 2.4 2.4 2.3 1.6 1.6 4.0 3.1 3.2 1.82.2 2.2 1.7 0.5 3.6 3.4 1.9 2.0 3.0 1.13.0 4.0 4.0 2.1 1.9 1.1 0.5 3.2 3.0 2.2

75)

76) The heights (in inches) of 30 lawyers are listed below. Construct a frequency ogive usingfive classes.

70 72 71 70 69 73 69 68 70 7167 71 70 74 69 68 71 71 71 7269 71 68 67 73 74 70 71 69 68

76)

77) The local police, using radar, checked the speeds (in mph) of 30 motorists on a rural road.The results are listed below. Construct a frequency ogive using six classes.

44 38 41 50 36 36 43 42 49 4835 40 37 41 43 50 45 45 39 3850 41 47 36 35 40 42 43 48 33

77)

78) The grade point averages for 40 evening students are listed below. Construct a relativefrequency ogive using eight classes.

2.0 3.2 1.8 2.9 0.9 4.0 3.3 2.9 3.6 0.83.1 2.4 2.4 2.3 1.6 1.6 4.0 3.1 3.2 1.82.2 2.2 1.7 0.5 3.6 3.4 1.9 2.0 3.0 1.13.0 4.0 4.0 2.1 1.9 1.1 0.5 3.2 3.0 2.2

78)

79) The heights (in inches) of 30 lawyers are listed below. Construct a relative frequency ogiveusing five classes.

70 72 71 70 69 73 69 68 70 7167 71 70 74 69 68 71 71 71 7269 71 68 67 73 74 70 71 69 68

79)

80) The local police, using radar, checked the speeds (in mph) of 30 motorists on a rural road.The results are listed below. Construct a relative frequency ogive using six classes.

44 38 41 50 36 36 43 42 49 4835 40 37 41 43 50 45 45 39 3850 41 47 36 35 40 42 43 48 33

80)

18




Provide an appropriate response.81) An ogive is a graph that represents cumulative frequencies or cumulative relative frequencies. The

points labeled on the horizontal axis are theA) Upper class limits B) Lower class limitsC) Frequencies D) Midpoints

81)


Use a time series plot to display the data. Comment on the trend,82) The data below represent the consumption of high-energy drinks (in gallons) by adult

Americans over a nine-year period.Year 1 2 3 4 5 6 7 8 9

Consumption (gal) 10 11 11 12 13 14 15 15 13

82)

83) A transportation engineer wishes to use the following data to illustrate the number ofdeaths from the collision of passenger cars with motorcycles on a particular highway.

Year Number of Deaths1 122 173 224 215 166 137 11

83)

84) Women were allowed to enter the Boston Marathon for the first time in 1972. Listed beloware the winning women's times (in minutes) for the first 10 years.

YearTime

1 2 3 4 5 6 7 8 9 10190 186 167 162 167 168 165 155 154 147

84)


Explain what is misleading about the graphic.85)

The volume of our sales has doubled!!!A) The length of a side has doubled, but the area has been multiplied by 4.B) The graphic is not misleading.C) The length of a side has doubled, but the area has been multiplied by 8.D) The length of a side has doubled, but the area has been unchanged.

85)

19



86)

2004 2006 2008 2010 2012A) The graphic is not misleading.B) The horizontal label is incomplete.C) The trend is depicted in the wrong direction.D) The vertical scale does not begin at zero.

86)

87) 2012 DUI Figures for State County

A) The horizontal scale does not begin at zero.B) The graphic is not misleading.C) The graphic may give the impression that drivers over age 65 had no DUI's in 2012.D) The graphic only includes information for one year.

87)

20




Provide an appropriate response.88) The following graph shows the number of car accidents occurring in one city in each of the

years 2006 through 2011 (Year 1 = 2006, Year 2 = 2007 etc). The number of accidentsdropped in 2008 after a new speed limit was imposed. How is the bar graph misleading?How would you redesign the graph to be less misleading?

88)

89) A parcel delivery store finds that their delivery rates increased over the past year. Last yearit delivered 3402 parcels. This year it delivered 8942 parcels.

How many times larger should the graphic for this year be than the graphic for last year?

89)

21



Answer KeyTestname: UNTITLED2

1) Class Frequency Relative Frequency PercentageLarge 345 0.190 19.0Medium 830 0.456 45.6Small 645 0.354 35.4Total 1820 1.000 100.0

2)Response Frequency Relative FrequencyStrongly Favor 35 0.175Favor 13 0.065Neutral 7 0.035Oppose 25 0.125Strongly Oppose 120 0.6

3)Color Frequency Relative Frequencypurple 3 0.15blue 4 0.20yellow 5 0.25red 7 0.35green 1 0.05

4) B5) A6) B7) C8) A9) D

10) C11) D12) B13) A14) D15) C16)

22




17)

18) a) See graph belowb) The minimum score = 14c) The university will accept 76.57% of the applicants.

19) C20) A21) C22) C23)

23




24)

25) D26)

HoursOn Net

Number ofHS Students

5 46 57 68 59 410 211 214 2

27) Measure Frequency95 596 697 598 399 3

100 3

28)

24




29)

30) A31) B32) D33) B34) C35) D36) A37) A38) B39)

Precip. Frequency Relative Frequency 0.5-0.91.0-1.41.5-1.92.0-2.42.5-2.93.0-3.43.5-3.94.0-4.4

427921024

0.100.05

0.1750.2250.050.250.050.10

40) Commute Time (in min) Frequency Relative Frequency

67.0-68.468.5-69.970.0-71.471.5-72.973.0-74.4

651324

0.2000.1670.4330.0670.133

41) Util. Bill (dollars) Frequency Relative Frequency

33-3536-3839-4142-4445-4748-50

366636

0.100.200.200.200.100.20

25




42) a. 95-104, 105-114, 115-124, 125-134, 135-144

b. Weight (lb) Tally Frequency

95-104 ll 2105-114 lll 3115-124 lllll 5125-134 lll 3135-144 ll 2

43)

44) Frequency Histogram: Relative Frequency Histogram:

26




45)

Number of Cousins46)

Number of Cousins47)

Weight (pounds)48) A

27




49) B50) 76, 88, 90, 99, 104, 111, 118, 126, 129, 136, 137, 139, 142, 143, 148, 149, 157, 15951) 5.1, 6.9, 7.0, 7.1, 8.3, 9.1, 9.9, 10.6, 10.9, 11.6, 11.7, 11.9, 12.2, 12.3, 12.8, 12.9, 13.6, 13.952)

0 3 9 9 1 2 2 3 2 3 9 9 4 2 9 5 2 8 6 7 0

53) 0 0 9 9 1 2 5 3 4 5 6 6 7 8 8 9 1 10 2 11 4 12 2 13 14 15 0 16 5

54) 6 7 7 8 8 8 8 9 9 9 9 9 7 0 0 0 0 0 1 1 1 1 1 1 1 1 2 2 3 3 4 4

55) 3 3 5 5 6 6 6 7 8 8 9 4 0 0 1 1 1 2 2 3 3 3 4 5 5 7 8 8 9 5 0 0 0

56) The stem will consist of the tens digit and range from 1 to 9. The leaves will be drawn in the appropriate stems basedon the data values.

Stem Leaves1 42345 2 46 6 97 6 7 98 7 8 5 9 3 8 29 2 0 4 8 5

28




57)

58)

59) A60) B61) C62) D63) D64) B65) symmetric

29




66)

67)

68)

69)

70) A71) A

30




72)

Precip (in.) FrequencyRelative

Frequency Cumulative

FrequencyCumulative

Relative Frequency 0.5-0.91.0-1.41.5-1.92.0-2.42.5-2.93.0-3.43.5-3.94.0-4.4

427921024

0.100.050.1750.2250.050.250.050.10

46

132224343640

0.100.15

0.3250.550.600.850.90

173)

Commute Time (in min) FrequencyRelative


FrequencyCumulative

Relative Frequency67.0-68.468.5-69.970.0-71.471.5-72.973.0-74.4

651324

0.200.1670.4330.0670.133

611242630

0.200.3670.80

0.8671

74)

Speed (in mph) FrequencyRelative


FrequencyCumulative

Relative Frequency33-3536-3839-4142-4445-4748-50

366636

0.100.200.200.200.100.20

39

15212430

0.100.300.500.700.80

175)

31




76)

77)

32




78)

79)

33




80)

81) A82) In general, there is an increasing trend in high-energy drinks consumption of adult Americans. However, beginning in

Year 9, there is sign of a decreasing trend.

34




83)

From Year 1 to Year 3, there was an increasing trend in the number of collision deaths. Subsequently, there was adecreasing trend.

84)

In general, there was a decreasing trend in women's Boston marathon times.85) A86) D87) C88) The bar graph is misleading because the vertical axis starts at 60 instead of 0. This tends to indicate that the number of

accidents decreased at a faster rate than they actually did. The graph would be less misleading if the vertical scalebegan at 0 or if a symbol were used to clearly indicate that the vertical scale is truncated and has a gap.

89) roughly 3 times larger

35



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SHORT ANSWER. Write the word or phrase that best completes ... · SHORT ANSWER. Write the word or phrase that best completes each statement or answers the question. Provide an appropriate